Cite
MLA Citation
José Júlio Alferes et al., editors. Practical aspects of declarative languages : 21th International Symposium, PADL 2019, Lisbon, Portugal, January 14-15, 2019, Proceedings. Cham, Switzerland : Springer, 2019. http://access.bl.uk/ark:/81055/vdc_100074813724.0x000001